Quote:
Originally Posted by Alfrz
So... I did not. Wanna explain that part like I'm 5?
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If you don't connect it to a power source, your head unit will probably overheat. I suspect it is there to cool the internal amplifier. Did that head unit not come with an owner's/operator's or installation manual? In the very last picture, I can see on the label that your unit is possibly designed for use in a Corolla. Perhaps in the Corolla there is a specific receptacle already in the dash that it needs to plug into.
If you could supply us with some more information, it would help us to help you. Brand and model of unit, used or new, oftentimes when you pick up something second-hand the manuals don't get transferred with it in the process.